.main{
    display: flex;
    justify-content: center;
    align-items: center;
}
.main form{
    width: 80%;
}

.main table{
    text-align: center;
    width: 100%;
    border-spacing: 0;
}
.show_body tr td, .show_body tr th{
    height: 50px;
    border-bottom: 1px solid #c5c5c5;
    width: 18%;
    color: #7F8386;
}
.show_body tr td input {
    width: 80%;
    margin: 0 auto;
    border-radius: 0;
    border: 1px solid #b6b4b4;
    outline: none;
    text-align: center;
    height: 25px;
}
.show_body tr td input:focus{
    outline: 1px solid deepskyblue;
}

.show_body tr .handle{
    width: 10%;
}
.show_body tr .handle button{
    width: 50%;
    height: 25px;
}

